package com.ebay.middleware;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;


@Configuration
public class CorsConfig {
		//跨域问题
		private CorsConfiguration buildConfig() {
				CorsConfiguration corsConfiguration = new CorsConfiguration();
				corsConfiguration.addAllowedOrigin("*"); // 1允许任何域名使用
				corsConfiguration.addAllowedHeader("*"); // 2允许任何头
				corsConfiguration.addAllowedMethod("*"); // 3允许任何方法（post、get等）
				return corsConfiguration;
		}

		@Bean
		public CorsFilter corsFilter() {
				UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
				source.registerCorsConfiguration("/**", buildConfig()); // 4
				return new CorsFilter(source);
		}
}
